(a doubled or long consonant; "the `n' in `thinness' is a geminate")
(form by reduplication; "The consonant reduplicates after a short vowel"; "The morpheme can be reduplicated to emphasize the meaning of the word")
(occur in pairs)
(arrange in pairs; "Pair these numbers")
(arrange or combine in pairs; "The consonants are geminated in these words")